ardour/livetrax
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fix feedback loop while track resizing

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git-svn-id: svn://localhost/ardour2/branches/3.0@3803 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Nick Mainsbridge 2008-09-24 19:23:43 +00:00
parent 8b0e9befb9
commit 8d3d196440
3 changed files with 24 additions and 14 deletions
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2
gtk2_ardour/editor.cc
View File

@ -402,7 +402,7 @@ Editor::Editor ()
controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
controls_layout_size_request_connection = controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
edit_vscrollbar.set_adjustment (vertical_adjustment);
edit_hscrollbar.set_adjustment (horizontal_adjustment);

1
gtk2_ardour/editor.h
View File

@ -858,6 +858,7 @@ class Editor : public PublicEditor
Gtk::Layout controls_layout;
bool control_layout_scroll (GdkEventScroll* ev);
void controls_layout_size_request (Gtk::Requisition*);
sigc::connection controls_layout_size_request_connection;
Gtk::HScrollbar edit_hscrollbar;
bool _dragging_hscrollbar;

35
gtk2_ardour/editor_canvas.cc
View File

@ -364,6 +364,7 @@ Editor::controls_layout_size_request (Requisition* req)
TreeModel::Children rows = route_display_model->children();
TreeModel::Children::iterator i;
double pos;
bool changed = false;
for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
TimeAxisView *tv = (*i)[route_display_columns.tv];
@ -377,31 +378,39 @@ Editor::controls_layout_size_request (Requisition* req)
if (!screen) {
screen = Gdk::Screen::get_default();
}
gint height = min ( (gint) pos, (screen->get_height() - 400));
gint width = max (edit_controls_vbox.get_width(), controls_layout.get_width());
/* don't get too big. the fudge factors here are just guesses */
width = min (width, screen->get_width() - 300);
if ((req->width != width) || (req->height != height)) {
changed = true;
controls_layout_size_request_connection.disconnect ();
}
if (req->width != width) {
gint vbox_width = edit_controls_vbox.get_width();
req->width = width;
time_button_event_box.set_size_request(edit_controls_vbox.get_width(), -1);
zoom_box.set_size_request(edit_controls_vbox.get_width(), -1);
}
gint height = min ( (gint) pos, (screen->get_height() - 400));
if (req->height != height) {
req->height = height;
}
if (width != edit_controls_vbox.get_width()) {
/* this one is important: it determines how big the layout thinks it really is, as
opposed to what it displays on the screen
*/
controls_layout.set_size (edit_controls_vbox.get_width(), pos );
controls_layout.set_size_request(edit_controls_vbox.get_width(), -1);
controls_layout.property_width () = vbox_width;
controls_layout.property_width_request () = vbox_width;
time_button_event_box.property_width_request () = vbox_width;
zoom_box.property_width_request () = vbox_width;
}
if (req->height != height) {
req->height = height;
controls_layout.property_height () = (guint) floor (pos);
}
if (changed) {
controls_layout_size_request_connection = controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
}
}